Why are we unable to talk to a crowd as we talk to a single friend?

为什么我们不能跟一群人讲话,却可以单独同朋友高谈阔论？

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And it's of course possible to say, well, just imagine a friend that you would want to talk through all eternity to. But the whole point is, I can't imagine what that would be like.

当然可以说，想象一个你想与之,永远长谈的朋友，但问题是，我无法想象那种情景。

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